Posts by Bruno César • 5,450 points
138 posts
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answer1180
viewsA: Docker Database Connection Problem
By error message you are trying to connect to a local postgres: Network is unreachable n tis the server running on host "localhost" (::1) and Accepting n tTCP/IP Connections on port 5432? It happens…
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answer78
viewsA: How to assign recover ip from a service within Docker-Composer?
You are using some concepts incorrectly, such as the use of external_links. external_links are used only when a link with container created/managed outside the commie in question. Being on the same…
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answer163
viewsA: How to configure the Auditor using Spring Boot 2.0.2
I will consider your old implementation, which returns String, not a user entity, for example. Also, I won’t consider anything that leads me to believe that you are using custom things for user…
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answer109
viewsA: When the container does not know the host name?
The containers have no knowledge of hosts which are outside the networks in which the container is. This is your problem, namely the Docker host - your machine - know the pgmaster, but not the…
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answer99
viewsA: How can I register a route in IIS to my container Docker?
How are you simply using a host Docker and IIS is not a container/service, the solution would be to have your IIS access the host Docker. Since the networks created by Docker are virtual, both the…
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answer807
viewsA: How to make a find with Pagination and search term at the same time with Spring data?
How you want to use all attributes of the type object Pessoa, one of the ways is to use Query by Example (QBE), then the first thing you must do to facilitate is to inherit also from the executioner…
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answer3749
viewsA: How to expose more than one Docker container port?
First, take a look in this that talks a little more about the differences of publishing/displaying doors. Would it be on Dockerfile? This option is mandatory if we want to expose the doors? Use the…
dockeranswered Bruno César 5,450 -
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answers1060
viewsA: Doubts about the Docker-Compose and Dockerfile configuration
As you mentioned the difference begins in the "scope", where each one is applied. EXPOSE is in the scope of the image, in the Dockerfile while port in the creation of container, either in the…
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answer2838
viewsA: Docker Compose Link
The commie will always create a network for your services and this is where the problem lies, since by default you will not be able to access container of different networks other than the default.…
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answer55
viewsA: Problem with Dockerfile
About this specific error, the problem is that you are "mixing" the commands in a single line, which ends up generating wrong instructions. To separate the commands you must use&&, ; or || -…
dockeranswered Bruno César 5,450 -
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answer48
viewsA: query executes in the database but in the project points error
Your query is yes valid, as you yourself noted when running it directly on an SQL client. The problem is you’re using aliases in the consultation, exactly in the calls nome, naming them as Distrito,…
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answer324
viewsA: How to expose UDP ports in the Docker-Compose configuration file?
To expose the port as UDP, simply add at the end of the mapping /udp. Using his commie as an example, we would have this: version: "3.0" services: myservice: image: "my/service" ports: -…
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answers219
viewsA: Container LAMP with Debian Stretch
Of "different" from a standalone setup is that you will have running more than one process in your container. Not that containers have been made to run a single process/service, but do everything in…
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answer1100
viewsA: Perform a date search in a timestamp column using spring data
Since the database column also stores information that not only day/month/year you have to make the generated query consider this. One way to do this is by shopping with date between the start and…
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answer143
viewsA: How do I use Page in this query instead of List?
The first point is that the pagination information in the method signature should be the last argument. In your case, just have something like this: Page<Protocolo>…
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answer131
viewsA: Multiple @Elementcollection in two different classes @Embeddable
Hibernate will present this problem when trying to persist more than one entity it manages that share the same instance of a collection. For example, this scenario will present this problem: final…
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answer9434
viewsA: Eclipse Message: The Selection cannot be launched, and there are no recent launches
The problem is because the main method signature is wrong, see: public static void main() Simply adjust by providing a signature as provided in JLS, that is, this: public static void main(final…
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answer1267
viewsA: How to deploy a web application manually in wildfly9?
If it is possible to manually deploy to wildfly, how do I perform a deployment test using an application helloworld that I implanted in the Tomcat webapp to run in wildfly? It is possible. If you…
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answer140
viewsA: How to escape all metacharacters using Pattern.Compile(.)?
You need the compiled standard to be literal, that is, that meta characters or escape characters in the pattern do not have regular expression treatment. To do this simply compile the pattern by…
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answer2259
viewsA: Use of the Consumer interface
Implement a Consumer(or any other functional interface), in a class proper to this, in a centralized way, has sometimes its usefulness, as not to spread the same code in several points, mainly when…
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answer740
viewsA: How to make Hibernate read a table in a Mysql database and write to another table in Postgresql?
By default Hibernate will look for entities that are in the same classpath of persitence.xml, that is, entities that are in the same jar. How he does this is the expected behavior what is happening…
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answer101
viewsA: Log4j does not log into Docker
Logs are not created because there is no container spinning. build build an image and make it available, so you can use it to create containers. The application construction logs, the Jetty running…
dockeranswered Bruno César 5,450 -
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answer671
viewsA: How to override CSS Primefaces added via Maven?
Simply declare the stylesheet that contains what you need to overwrite after pressing the one on the first faces. Like the one on the first faces will be on <head />, may declare so:…
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answer107
viewsA: httppost is not solved in my class in my application
You can add libraries in many ways. It is available in public repository, so it is used Maven, can add it like this: <dependency> <groupId>org.apache.httpcomponents</groupId>…
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answers454
viewsA: Why was the parameterized class attribute <T> not instantiated?
Briefly I would define as follows: badly made class design :), the constructor argument of Menu should also be typed, since BdApp is a raw type, in addition to which it could be a reference to IDAO,…
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answer2008
viewsA: Recover WSDL from Webservice Nfe ASMX
By default services published with ASMX leave the WSDL accessible in a URL ended with ?wsdl, then you can access the WSDL by adding ?wsdl from this url, something like this:…
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answer1735
viewsA: Problem retrieving Datasource in Wildfly: javax.naming.Namenotfoundexception
In a nutshell: cannot do remote lookup of a datasource in JNDI in versions superior to Jboss AS 7. I’ll show you a basic example of how a customer can try to recover a datasource of the JNDI in…
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answer2691
viewsA: How to open a window inside a main frame?
You can use JInternalFrame to manage your registration screens. A very simple example. Consider that you have your main screen, MainFrame, that has a menu, something like that: The summary code…
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answer379
viewsA: How to mount a link in JSP with the value of an input?
You can do it with javascript in a simple way. For this just have an event in your input text and whenever its value is changed we will change the attribute action of form. Starting from something…
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answer1003
viewsA: Destroying Session and Session Objects in JSF
It is not necessary for you to recover the session, remove the controller Session scoped and then invalidate the session manually, having to work with specific things from the Servlet API. You can…
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answers762
viewsA: Problems to remove @Manytomany element with @Jointable
First of all I believe that your mapping can be simplified, mainly the join table. To centralize the mapping of the primary key of the entities I created a BaseEntity, thus: @MappedSuperclass public…
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answers119
viewsA: Data deletion via Hibernate
If you want to use the remove, you can wear something like that: Temp temp = new Temp(); temp.setId(1); getEntityManager().remove(temp); In this case the object must be in the session, otherwise a…
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answers185
viewsA: Read XML file with only one Parent Node
This XML of yours has a basic problem, which is to have more than one root tag (<Registos /> and <Socios />), making it an invalid XML. Since it is not a valid format you will not be…
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answers377
viewsA: Doubt regarding the management of JPA with Spring in JEE server
If what the container is managed for you is the data source, just change the way you recover the data source. As opposed to using DriverManagerDataSource, which is a basic implementation of…
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answer185
viewsA: What is Context and Generated Keys?
Since you have not included more details about what this context is I will not assume that it is a context of JNDI, a Spring, CDI, or any other context. So just include answer to the second question…
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answer717
viewsA: Error 403 Forbidden while consuming CEP webservice
I tested calls to this provided URL example: http://apps.widenet.com.br/busca-cep/api/cep.json?code=01001000 What I realized is causing the 403 is that the server needs the header User-Agent is…
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answer155
viewsA: Hide column at editing time
Usually in the edition the id will not be null, since it was created in the bank and everything else. If that’s true, you can wear something like this: <h:panelGroup…
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answer746
viewsA: Problem running runnable JAR: Unable to load class [com.microsoft.sqlserver.jdbc.Sqlserverdriver]
The root of your problem is a ClassNotFoundException, because there is no class in the classpath of the application. As discussed the absence of this class in the classpath is due to the fact that…
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answers704
viewsA: Error replacing occurrence in string using replaceAll
So much replace(Charsequence target, Charsequence Replacement) how much replaceAll(String regex, String Replacement) make substitution using matching patterns using regular expressions. The question…
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answer267
viewsA: Maven calling Ant
Using the maven-antrun-plugin you can use a file ant external. As an example, let’s consider this build.xml containing a target for <?xml version="1.0"?> <project name="stack-test">…
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answer498
viewsA: java.lang.Classcastexception: Converter JSF error
Considering the exception: java.lang.ClassCastException: java.lang.Long cannot be cast to com.porto.npf.sgpsweb.model.Cargo at…
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answers566
viewsA: 400 (Bad Request) when sending array to Spring Controller using AJAX
First we have to understand how the request is made, how the values will arrive on the server. For this we just see in the documentation of jQuery and we will have there that the data of ajax is…
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answers4741
viewsA: How to read a JSON file without a server?
If you already have JSON in a file, in Dropbox itself, you can use getJSON as you mentioned, Dropbox is your static file server ;) To do this, just pass your JSON URL, say you’re at this Dropbox…
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answer1947
viewsA: How to extract Array from JSON into an object’s List type attribute
There are several ways to deserialize this your object using Jackson, I will cite only two of them, then you can choose the one you think most appropriate to use in your context. First, considering…
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answer533
viewsA: "java.lang.String cannot be cast to ..." using access control in Servlet
As spoken in the comments, you are adding to the session an attribute called name with the guy String and then trying to get it back and doing cast for the guy Usuario. One ClassCastException is…
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answer112
viewsA: Thread execution - Java EE - Jboss
There are some ways to do, such as using Servletcontextlistener, startup Servlets (see load-on-startup in specification), Resource Adapters in environments full profile, EJB 3.1 @Startup, etc.. The…
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answer1079
viewsA: Save File with Extension
The simplest approach to use, since you have the original file, is to also save the file extension or the mime type. Unlike how you’re doing, having a column of the kind blob on the table empresa,…
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answers2280
viewsA: String Manipulation - split()
For registration and (maybe) use for someone, in this case there is no need to do split of string. I don’t know if the obligation is to use split or have a last name, but without using split it is…
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answer172
viewsA: Define which method is not serialized
Resteasy is the preview JAX-RS on Jboss AS. In version 7.1.1.Final of Jboss AS the version of Resteasy is the 2.3.2.Final (can be seen in modules\org\jboss\resteasy). In his documentation it is said…
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answer121
viewsA: Java Https - Httpsurlconnection - Unsupported Sslv2hello
You’re probably running this code on Runtime version 8 of Java. SSLv2 is obsolete it’s been a long time, so it’s no longer supported by default on Runtime version 8, not having a socket Factory for…
javaanswered Bruno César 5,450